Add missing newline to brew bottle.

Library/Contributions/examples/brew-bottle.rb

@@ -18,4 +18,4 @@ ARGV.each do|formula|
     safe_system 'tar', 'czf', "#{destination}/#{filename}", "#{formula}/#{version}"
   end
   ohai "Bottled #{filename}"
-end
\ No newline at end of file
+end